<form name="formSearch" action="#" method="post">
  <div class="searchTop">
    <input name="keysword" type="text" value="" placeholder="Tìm kiếm thông tin"/>
    <!-- <span><a href="javascript:document.formSearch.submit()"><img src="{'search.png'|assets_img}"/></a></span>  -->
  </div>
</form>